<template>
  <view class="normal-login-container">
    <view class="logo-content align-center justify-center flex">
      <image style="width: 70rpx; height: 70rpx" src="/static/logo.png" mode="widthFix"> </image>
      <text class="title">智慧乡村-学生端登录</text>
    </view>
    <view class="login-form-content">
      <view class="input-item flex align-center">
        <view class="iconfont icon-user icon"></view>
        <input v-model="loginForm.phone" class="input" type="text" placeholder="请输入手机号" maxlength="30" />
      </view>
      <view class="input-item flex align-center">
        <view class="iconfont icon-password icon"></view>
        <input v-model="loginForm.password" type="password" class="input" placeholder="请输入密码" maxlength="20" />
      </view>
      <view class="input-item flex align-center" style="width: 60%; margin: 0px" v-if="captchaEnabled">
        <view class="iconfont icon-code icon"></view>
        <input v-model="loginForm.code" type="number" class="input" placeholder="请输入验证码" maxlength="4" />
        <view class="login-code">
          <image :src="code" @click="getCaptcha(2)" class="login-code-img"></image>
        </view>
      </view>
      <view class="action-btn">
        <button @click="handleLogin" class="login-btn cu-btn block bg-blue lg round">登录</button>
      </view>
      <view class="reg text-center" v-if="register">
        <text class="text-grey1">没有手机号？</text>
        <text @click="handleUserRegister" class="text-blue">立即注册</text>
      </view>
      <view class="xieyi text-center">
        <text class="text-grey1">登录即代表同意</text>
        <text @click="handleUserAgrement" class="text-blue">《用户协议》</text>
        <text @click="handlePrivacy" class="text-blue">《隐私协议》</text>
      </view>
    </view>
  </view>
</template>

<script>
import { validPhone } from '@/utils/validate'
export default {
  data() {
    return {
      codeUrl: '',
      captchaEnabled: true,
      // 用户注册开关
      register: true,
      globalConfig: getApp().globalData.config,
      loginForm: {
        phone: '',
        password: '',
        code: '',
        uuid: '',
      },
      code: '',
      key: '',
      codeSuccess: false,
    }
  },
  onLoad() {
    this.getCaptcha(2)
  },
  methods: {
    // 用户注册
    handleUserRegister() {
      this.$tab.redirectTo(`/pages/register`)
    },
    // 隐私协议
    handlePrivacy() {
      let site = this.globalConfig.appInfo.agreements[0]
      this.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
    },
    // 用户协议
    handleUserAgrement() {
      let site = this.globalConfig.appInfo.agreements[1]
      this.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
    },
    // 登录方法
    async handleLogin() {
      if (this.loginForm.phone === '') {
        this.$modal.msgError('请输入您的手机号')
      } else if (!validPhone(this.loginForm.phone)) {
        this.$modal.msgError('请输入正确的手机号')
      } else if (this.loginForm.password === '') {
        this.$modal.msgError('请输入您的密码')
      } else if (this.loginForm.code === '' && this.captchaEnabled) {
        this.$modal.msgError('请输入验证码')
      }
      this.verifyCaptcha(this.key, this.loginForm.code)
      //等待100ms
      setTimeout(() => {
        if (!this.codeSuccess) {
          this.$modal.msgError('请输入正确的验证码')
          this.getCaptcha(2)
        } else {
          this.$modal.loading('登录中，请耐心等待...')
          this.pwdLogin()
        }
      }, 100)
    },
    // 密码登录
    async pwdLogin() {
      this.$store
        .dispatch('user/login', this.loginForm)
        .then(() => {
          this.$modal.closeLoading()
          this.loginSuccess()
        })
        .catch(() => {
          if (this.captchaEnabled) {
            this.getCode()
          }
        })
    },
    // 登录成功后，处理函数
    loginSuccess(result) {
      // 设置用户信息
      this.$store.dispatch('user/getInfo').then((res) => {
        this.$tab.reLaunch('/pages/index')
      })
    },
    //获取验证码
    getCaptcha(type) {
      this.$store.dispatch('user/getCaptcha', type).then((response) => {
        this.code = response.other.image
        this.key = response.data
      })
    },
    //验证验证码
    verifyCaptcha(uid, code) {
      this.$store.dispatch('user/checkCaptcha', { uid: uid, code: code }).then((response) => {
        this.codeSuccess = response.success && response.data
      })
    },
  },
}
</script>

<style lang="scss">
.normal-login-container {
  background-size: 100%;
  min-height: 100vh;
  width: 100%;

  .logo-content {
    width: 100%;
    font-size: 21px;
    text-align: center;
    padding-top: 18%;
    image {
      border-radius: 4px;
    }

    .title {
      margin-left: 10px;
    }
  }

  .login-form-content {
    text-align: center;
    margin: 20px auto;
    // margin-top: 42%;
    width: 80%;

    .input-item {
      margin: 20px auto;
      height: 45px;
      border-radius: 20px;
      background-color: rgba(255, 255, 255, 0.3);

      .icon {
        font-size: 38rpx;
        margin-left: 10px;
        color: #999;
      }

      .input {
        width: 100%;
        font-size: 14px;
        line-height: 20px;
        text-align: left;
        padding-left: 15px;
      }
    }

    .login-btn {
      margin-top: 40px;
      height: 45px;
    }

    .reg {
      margin-top: 15px;
    }

    .xieyi {
      color: #333;
      margin-top: 20px;
    }

    .login-code {
      height: 38px;
      float: right;

      .login-code-img {
        height: 38px;
        position: absolute;
        margin-left: 10px;
        width: 200rpx;
      }
    }
  }
}
</style>
